package com.exam.service.exam;

import java.util.List;

import com.exam.common.vo.ExamGradeVO;
import com.exam.common.vo.ExamTiVO;

public interface ExamService {
	public void updateGrade(ExamTiVO ti,ExamGradeVO grade);
	
	public  ExamTiVO getTi(Integer examTiDifficulty,List<Integer> list );
}
